Clay County ZIP Codes

Clay County is a county of Florida.

ZIP codes: 12
Cities & towns: 8
Area codes: 3
Land area: 605 sq mi

Every ZIP code in Clay County

320xx–326xx

The complete list of Clay County, FL ZIP codes with the city each one delivers to.
ZIP code	City
32003	Fleming Island
32006	Fleming Island
32030	Doctors Inlet
32043	Green Cove Springs
32050	Middleburg
32065	Orange Park
32067	Orange Park
32068	Middleburg
32073	Orange Park
32079	Penney Farms
32160	Lake Geneva
32656	Keystone Heights

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Clay County codes above are listed without a column we would have to invent.

Cities and towns in Clay County

A further 4 places in Clay County appear in the postal source without a page of its own; their codes are in the table above and each one links to its own page.

Area codes covering Clay County

Telephone and postal boundaries are drawn by different bodies, so these codes overlap the county without matching its edges.

Where Clay County's ZIP codes sit

Each point is the reference point of one Clay County ZIP code, plotted from its record coordinates. The outline is the convex envelope of those points — a footprint, not a boundary.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope every ZIP code recorded in Clay County. Source GeoNames US postal codes (2026-07 postal dump), Census 2024 county Gazetteer (2024 Gazetteer) and geoinfo-dataset (full_dataset) ZIP→NPA (2018 snapshot). Updated 16 July 2026. The outline is a convex envelope of ZIP reference points, not a jurisdiction boundary.